Home / 4,719.80-7,079.33-1,432.91

Finding the Fourth Proportional to 4,719.80, 7,079.33 and 1,432.91

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Solution

The fourth proportional to 4,719.80, 7,079.33 and 1,432.91 is: 2,149.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.80 : 7,079.33 = 1,432.91 : x
  2. Step 2: Convert to fraction form
    4,719.80/7,079.33 = 1,432.91/x
  3. Step 3: Cross multiply
    4,719.80x = 7,079.33 × 1,432.91
  4. Step 4: Simplify right side
    4,719.80x = 10,144,000.19
  5. Step 5: Solve for x
    x = 10,144,000.19/4,719.80
  6. Step 6: Final answer
    x = 2,149.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.